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ABEL M. FRENCH, OF BURTON, OHIO. Letters Patent No. 65,203, dated m 28, 1867.

IMPROVED MBDIOAL COMPOUND FOR TREATING RING-BONE, SPAVIN, due, IN HORSES.

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TO ALL WHOM IT MAY CONCERN:

Be it known that I, ABEL M. FRENCH, of Burton, in the county of Geauga, and State of Ohio, have invented new and useful improvements in Medical Compound for Treating Ring-Bone, Bone Spavin, Curb, Splint, 820., in Horses; and I do hereby declare'that the following is a full and complete description of the ingredients used in forming the compound, the manner of combining the same, and the mode of its application in the treatment of the diseases herein named. v

In the preparation of this compound it will not be necessary to be confined to the exact proportions herein named, for these may be varied to a small extent without changing the nature of the compound.

My medical compound for treating ring-bone, hone spavin, curb, splint, &c., in horses, is composed of eight ounces quicksilver, one and one-half ounce tincture ca'ntharides, four ounces nitric acid, four ounceslsulphuric acid, all mixed together in some glass or other suitable vessel, viz, first put in the quicksilver, then the tincture of canthurides. The nitric acid is then poured slowly in and stirred to prevent explosion and the generation of too much heat. The sulphuric acid is next slowly mixed in the preparation after it is nearly cool. The vessel in which the mixture is made is placed in contact with cold water, or the vessel is surrounded with cold water, to keep the temperature low in mixing the compound, or the excess heat generated might break the vessel con taining it. After the ingredients are all combined they should-be stirred once every hour thoroughly for twelve hours. After this it is again stirred every day, two or three times, for three days, or until it ceases to smoke, when it is mixed up and poured into a glass bottle, and let stand. until all the acid rises to the top. I The acid is nearly all poured otf, leaving only sufficient to admit of the compound being of the consistency of ordinary flour-paste.

The hair over the desired part is shaved oil, then a thin coating of the medicine is spread over with a spatula. Apply the first coat in the morning, and in the evening clean it off, and if the bone is not dissolved apply another coat in the same manner, being carefultoapply'oniy to affected part. The application of the medicine after cleaning off the former application should be continued every twelve hours, until the bone becomes soft, and as soon as the bone softenssweet oil is applied to open the pores, vesicles of the skin, and tissue, so as to allow the soft bone which becomes pulpy to escape through the tissue and skin. In ordinary cases three applications will be enough to soften the bone, the oil .being applied every twelve hours for two weeks, calre being taken to keep the infected part and feet dry, and gently eker'cised every day from four to six weeks. A good dry ground is preferred 'for the standing and exercising to a floor of wood. At the end of this time the horse will have recovered. The medicine should not be applied toparts where-the skin is broken lVhat I claim as my invention, and desire to secure by LettersPatent, is

v The herein-described compound, formed of the ingredients named, and applied substantially as and for the purpose specified.

ABEL M. FRENCH.

Witnesses-z W. H. BUnmDGE, FRANK ALDEN. 

